the death of the children was a terrible thing but it was a last resort after much less lethal atemps in freeing an enslaved people group how on earth is that the last resort just turn all the egyptians weapons into twigs and tell moses to lead the people out and the death of those kids didnt actually stop the pharoah from ordering his men to chase after the hebrews god still had to flood their army it doesnt really seem to have been very useful at all not nearly as useful as just breaking their weapons would have been